Home / 1,208,969.64-1,811,959.71-610,102.08

Finding the Fourth Proportional to 1,208,969.64, 1,811,959.71 and 610,102.08

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Solution

The fourth proportional to 1,208,969.64, 1,811,959.71 and 610,102.08 is: 914,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,969.64 : 1,811,959.71 = 610,102.08 : x
  2. Step 2: Convert to fraction form
    1,208,969.64/1,811,959.71 = 610,102.08/x
  3. Step 3: Cross multiply
    1,208,969.64x = 1,811,959.71 × 610,102.08
  4. Step 4: Simplify right side
    1,208,969.64x = 1,105,480,387,947.20
  5. Step 5: Solve for x
    x = 1,105,480,387,947.20/1,208,969.64
  6. Step 6: Final answer
    x = 914,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.